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Finding the Fourth Proportional to 8,761.95, 12,092.67 and 5,575.57

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Solution

The fourth proportional to 8,761.95, 12,092.67 and 5,575.57 is: 7,695.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,761.95 : 12,092.67 = 5,575.57 : x
  2. Step 2: Convert to fraction form
    8,761.95/12,092.67 = 5,575.57/x
  3. Step 3: Cross multiply
    8,761.95x = 12,092.67 × 5,575.57
  4. Step 4: Simplify right side
    8,761.95x = 67,423,497.84
  5. Step 5: Solve for x
    x = 67,423,497.84/8,761.95
  6. Step 6: Final answer
    x = 7,695.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.